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  <title>Document</title>
</head>
<body>
  <script src="https://unpkg.com/axios/dist/axios.min.js"></script> 
  <script>
    const myAxios = axios.create();
    myAxios.defaults.baseURL = 'https://cdn.liyanhui.com';

    // 请求拦截 (config)
    // myAxios.interceptors.request.use( config => {
    //   // console.log('loading...')

    //   // 修改配置
    //   // config.url = '/data2.json' // 404 data2不存在
    //   // config.timeout = 50 // 设置超时

    //   // 返回 myAxios 配置
    //   return config
    // });

    // 响应拦截(res)
    myAxios.interceptors.response.use( response => {
      return response.data
    })

    myAxios.request({
      method: 'get',
      url: '/data.json',
    }).then(res => {
      console.log(res)
    })
  </script>
</body>
</html>